<template>
  <div class="app-container">
    <el-form label-width="120px">
      <el-form-item label="信息描述">
        <el-tag type="info">excel模版说明</el-tag>
        <el-tag>
          <i class="el-icon-download" />
          <a :href="'/excel/%E8%AF%BE%E7%A8%8B%E5%88%86%E7%B1%BB%E5%88%97%E8%A1%A8%E6%A8%A1%E6%9D%BF.xls'">点击下载模版</a>
        </el-tag>

      </el-form-item>

      <el-form-item label="选择Excel">
        <el-upload ref="upload" :auto-upload="false" :on-success="fileUploadSuccess" :on-error="fileUploadError"
          :disabled="importBtnDisabled" :limit="1" :action="BASE_API+'/eduservice/edu-subject/addSubject'" name="file"
          accept="application/vnd.ms-excel">
          <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
          <el-button :loading="loading" style="margin-left: 10px;" size="small" type="success" @click="submitUpload">
            上传提交</el-button>
        </el-upload>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        BASE_API: process.env.BASE_API, // 接口API地址
        importBtnDisabled: false, // 按钮是否禁用,
        loading: false
      }
    },
    created() {

    },
    methods: {
      submitUpload() {
        this.importBtnDisabled = true;
        this.loading = true;
        this.$refs.upload.submit()
      },
      fileUploadSuccess(res) {
        this.$message({
          type: "success",
          message: "导入成功！"
        })
        this.importBtnDisabled = false;
        this.loading = false;

      },
      fileUploadError(res) {
        this.$message({
          type: "error",
          message: "导入失败！"
        })
      }

    }
  }
</script>